[INFO] cloning repository https://github.com/ktims/mqtt-exporter-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ktims/mqtt-exporter-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktims%2Fmqtt-exporter-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktims%2Fmqtt-exporter-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3085e38dfd868c77f5d33fe3d676d21f77b9a305
[INFO] testing ktims/mqtt-exporter-rs against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktims%2Fmqtt-exporter-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ktims/mqtt-exporter-rs
[INFO] finished tweaking git repo https://github.com/ktims/mqtt-exporter-rs
[INFO] tweaked toml for git repo https://github.com/ktims/mqtt-exporter-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ktims/mqtt-exporter-rs on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ktims/mqtt-exporter-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sketches-ddsketch v0.3.0
[INFO] [stderr]   Downloaded serde_regex v1.1.0
[INFO] [stderr]   Downloaded metrics-util v0.19.0
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[INFO] [stderr]   Downloaded async-trait v0.1.87
[INFO] [stderr]   Downloaded pest_meta v2.7.15
[INFO] [stderr]   Downloaded pest_derive v2.7.15
[INFO] [stderr]   Downloaded config v0.15.9
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded pest v2.7.15
[INFO] [stderr]   Downloaded rumqttc v0.24.0
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.16.2
[INFO] [stderr]   Downloaded metrics v0.24.1
[INFO] [stderr]   Downloaded yaml-rust2 v0.10.0
[INFO] [stderr]   Downloaded aws-lc-rs v1.12.5
[INFO] [stderr]   Downloaded ordered-float v4.5.0
[INFO] [stderr]   Downloaded prettyplease v0.2.30
[INFO] [stderr]   Downloaded quanta v0.12.5
[INFO] [stderr]   Downloaded tokio v1.44.0
[INFO] [stderr]   Downloaded ring v0.17.13
[INFO] [stderr]   Downloaded aws-lc-sys v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3ed78264161df87078b02990450596aecae3a7bf96d5a3de24ad403f2d2358f
[INFO] running `Command { std: "docker" "start" "-a" "c3ed78264161df87078b02990450596aecae3a7bf96d5a3de24ad403f2d2358f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3ed78264161df87078b02990450596aecae3a7bf96d5a3de24ad403f2d2358f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ed78264161df87078b02990450596aecae3a7bf96d5a3de24ad403f2d2358f", kill_on_drop: false }`
[INFO] [stdout] c3ed78264161df87078b02990450596aecae3a7bf96d5a3de24ad403f2d2358f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f71b7bbf1fe4b9a4e1e6f1930e7a0982f3c4c700aaa242549d64f0e6d445d2a
[INFO] running `Command { std: "docker" "start" "-a" "8f71b7bbf1fe4b9a4e1e6f1930e7a0982f3c4c700aaa242549d64f0e6d445d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
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[INFO] [stderr]    Compiling aws-lc-rs v1.12.5
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[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling tracing-core v0.1.33
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[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
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[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling rust-ini v0.21.1
[INFO] [stderr]    Compiling ring v0.17.13
[INFO] [stderr]    Compiling aws-lc-sys v0.26.0
[INFO] [stderr]    Compiling serde_derive v1.0.218
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[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
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[INFO] [stderr]    Compiling async-trait v0.1.87
[INFO] [stderr]    Compiling tokio v1.44.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
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[INFO] [stderr]    Compiling metrics v0.24.1
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling backoff v0.4.0
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]    Compiling h2 v0.4.8
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling serde_regex v1.1.0
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling raw-cpuid v11.5.0
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling quanta v0.12.5
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling metrics-util v0.19.0
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling config v0.15.9
[INFO] [stderr]    Compiling tokio-rustls v0.25.0
[INFO] [stderr]    Compiling rumqttc v0.24.0
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling hyper-rustls v0.27.5
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.16.2
[INFO] [stderr]    Compiling mqtt-exporter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:387:18
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let (client, mut eventloop) = AsyncClient::new(opts, 10);
[INFO] [stdout]     |                  ----^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "8f71b7bbf1fe4b9a4e1e6f1930e7a0982f3c4c700aaa242549d64f0e6d445d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f71b7bbf1fe4b9a4e1e6f1930e7a0982f3c4c700aaa242549d64f0e6d445d2a", kill_on_drop: false }`
[INFO] [stdout] 8f71b7bbf1fe4b9a4e1e6f1930e7a0982f3c4c700aaa242549d64f0e6d445d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92d479e441ae7dfac007f2d0d1fe1192ec0ca97995eb00ce60021497d0ab9d1a
[INFO] running `Command { std: "docker" "start" "-a" "92d479e441ae7dfac007f2d0d1fe1192ec0ca97995eb00ce60021497d0ab9d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt-exporter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:387:18
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let (client, mut eventloop) = AsyncClient::new(opts, 10);
[INFO] [stdout]     |                  ----^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "92d479e441ae7dfac007f2d0d1fe1192ec0ca97995eb00ce60021497d0ab9d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d479e441ae7dfac007f2d0d1fe1192ec0ca97995eb00ce60021497d0ab9d1a", kill_on_drop: false }`
[INFO] [stdout] 92d479e441ae7dfac007f2d0d1fe1192ec0ca97995eb00ce60021497d0ab9d1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0140082c888f06ae51e8f0e287f139ed123339b9210082965c98418b2edaea9
[INFO] running `Command { std: "docker" "start" "-a" "d0140082c888f06ae51e8f0e287f139ed123339b9210082965c98418b2edaea9", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:387:18
[INFO] [stderr]     |
[INFO] [stderr] 387 |     let (client, mut eventloop) = AsyncClient::new(opts, 10);
[INFO] [stderr]     |                  ----^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mqtt-exporter` (bin "mqtt-exporter" test) generated 1 warning (run `cargo fix --bin "mqtt-exporter" -p mqtt-exporter --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mqtt_exporter-a04d1882ba103695)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mqtt_exporter-51e93777b73716c1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqtt_exporter
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0140082c888f06ae51e8f0e287f139ed123339b9210082965c98418b2edaea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0140082c888f06ae51e8f0e287f139ed123339b9210082965c98418b2edaea9", kill_on_drop: false }`
[INFO] [stdout] d0140082c888f06ae51e8f0e287f139ed123339b9210082965c98418b2edaea9
